return to home page

IV.C.1. (XIII.D.1.)

Compare vibrational frequencies in CCCBDB for CH3COCH3 (Acetone)

HF/LANL2DZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 3006 -13 A1 3019  
2 A1 2891 -46 A1 2937  
3 A1 1696 -35 A1 1731  
4 A1 1460 25 A1 1435  
5 A1 1408 44 A1 1364  
6 A1 1083 17 A1 1066  
7 A1 768 -9 A1 777  
8 A1 363 -22 A1 385  
9 A2 2952 -11 A2 2963  
10 A2 1460 34 A2 1426  
11 A2 912 35 A2 877  
12 A2 26 -51 A2 77  
13 B1 2960 -12 B1 2972  
14 B1 1475 21 B1 1454  
15 B1 1131 40 B1 1091  
16 B1 483 -1 B1 484  
17 B1 133 8 B1 125  
18 B2 3004 -15 B2 3019  
19 B2 2885 -52 B2 2937  
20 B2 1455 45 B2 1410  
21 B2 1404 40 B2 1364  
22 B2 1242 26 B2 1216  
23 B2 916 25 B2 891  
24 B2 510 -20 B2 530  
The calculated vibrational frequencies were scaled by 0.8999

See section XIII.C.3 List or set vibrational scaling factors to change the scale factors used here.
See section III.B.3.c Calculate a vibrational scaling factor for a set of molecules to determine the least squares best scaling factor.
See section III.B.3.b List of vibrational scaling factors and their uncertainties for information on where the above scaling factor is from.